Guitar stand



FIG. 1 is a front and right side perspective view of a guitar stand;

FIG. 2 is a front and left side perspective view of FIG. 1;

FIG. 3 is a bottom view of FIG. 1;

FIG. 4 is a front view of FIG. 1;

FIG. 5 is a rear view of FIG. 1;

FIG. 6 is a right side view of FIG. 1; and,

FIG. 7 is a left side view of FIG. 1.

In the drawings, the broken lines represent features that form no part of the claimed design. 

I claim the ornamental design for a guitar stand, as shown and described. 